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CPC Subgroup
F01L 5/14

characterised by the provision of valves with reciprocating and other movements (surrounding working cylinder or piston F01L5/06)

Full Title

Slide valve-gear or valve-arrangements (with pure rotary or oscillatory movement F01L7/00) > characterised by the provision of valves with reciprocating and other movements (surrounding working cylinder or piston F01L5/06)

Filing statistics

CPC F01L 5/14 belongs to the parent subclass F01L, which recorded 25,057 patent applications worldwide between 2013 and 2023. Annual filings declined from 2,769 in 2013 to 732 in 2023 (-74%), peaking at 3,219 applications in 2015. The most active applicants in class F01 are GE (GENERAL ELECTRIC COMPANY) (9,989 applications), UNITED TECHNOLOGIES CORPORATION (UTC) (8,110 applications) and SAFRAN AIRCRAFT ENGINES (6,248 applications).

Source: EPO PATSTAT, worldwide filings

2 direct subcodes

Child Classifications

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  • F01L 5/16 with reciprocating and other movement of same valve, e.g. longitudinally of working cylinder and in cross direction
  • F01L 5/18 with reciprocatory valve and other slide valve

Top Applicants

Top 10 applicants by patent filingsfor class F01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. GE (GENERAL ELECTRIC COMPANY) US 9,989
  2. UNITED TECHNOLOGIES CORPORATION (UTC) US 8,110
  3. SAFRAN AIRCRAFT ENGINES FR 6,248
  4. HYUNDAI MOTOR COMPANY KR 4,530
  5. SIEMENS DE 4,461
  6. FORD GLOBAL TECHNOLOGIES US 4,029
  7. RAYTHEON TECHNOLOGIES CORPORATION US 3,947
  8. TOYOTA MOTOR CORPORATION JP 3,734
  9. GE (GENERAL ELECTRIC COMPANY) 3,415
  10. SCHAEFFLER TECHNOLOGIES & COMPANY DE 3,063